CN109763453A - Method for urban inner rivers and canals Comprehensive Treatment of Pollution - Google Patents
Method for urban inner rivers and canals Comprehensive Treatment of Pollution Download PDFInfo
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- CN109763453A CN109763453A CN201910087134.4A CN201910087134A CN109763453A CN 109763453 A CN109763453 A CN 109763453A CN 201910087134 A CN201910087134 A CN 201910087134A CN 109763453 A CN109763453 A CN 109763453A
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Abstract
The present invention relates to water environment protections and Water Ecological Recovery technical field; more particularly to a kind of method for urban inner rivers and canals Comprehensive Treatment of Pollution, this method by water quality monitoring and pollution sources origin analysis, pollution control dam project, sponge urban renewal engineering, setting initial rainwater treating stations and initial rainwater is handled, bed mud dredging engineering, Ecological Restoration Project, clear water engineering, the big step of shore protection training works eight carry out comprehensive treatment；The selection and collocation of each project slash are determined based on water quality monitoring result and pollutant sources parsing result in method of the invention, guarantee the logic reasonability of measures to a greater extent, realize the effect that more measures have complementary advantages, greatly improve the status that original water pollution control scheme engineering technology is single or multiple-project technical logic complementarity is poor.This method had not only been able to achieve coast pollution object and had effectively been cut down, but also can promote rivers and canals water quality, while can guarantee the permanently effective stably reaching standard of water quality.
Description
Technical field
The present invention relates to water environment protections and Water Ecological Recovery technical field, and in particular to one kind is used for urban inner rivers and canals
The method of Comprehensive Treatment of Pollution.
Background technique
China's problem of environmental pollution is still extremely serious at present, and the life of water environmental problems and the people are closely bound up: water quality
It is continuous worsening to affect water intaking water safety problem；The variation of rivers and canals water and water level affects the generation frequency of urban waterlogging accumulated water
Rate；Rivers and canals water front ecoscape missing extreme influence nearby resident quality of the life.Therefore, urban inner rivers and canals water is promoted
Matter improves the large- and-medium size cities that rivers and canals environmental aspect is current numerous high speed developments and needs the contradiction faced and urgently to be resolved ask
Topic.However, existing rivers and canals water pollution control method mostly uses greatly more single project slash whole to water environment progress
It controls, improvement result is caused to be extremely difficult to water quality effect up to standard steady in a long-term.Following equal existing defects of single method:
Bed mud dredging engineering in rivers and canals administering method can effectively cut down the total nitrogen of rivers and canals sediment release, total phosphorus and again
The pollutants such as metal.After completing bed mud dredging engineering, the pollution layer of rivers and canals bed mud and a part of transition zone can be moved effectively
It removes, effective control can be obtained in the release of internal contamination at this time, with stylish exposed topsoil to the pollutant of sedimentation
With certain suction-operated, the concentration of some of the contaminants can be further decreased.But satisfy when topsoil progressivelyes reach absorption
With it is rear, can occur the phenomenon that sediment release pollutant again, water quality is caused to deteriorate once again.
Ecological purification engineering is by the planting aquatic plants in water body and the method for launching aquatic animal, to reach gradually
Improve water environment and repairs the purpose of aquatic ecosystem.However, in the water body that water quality is not yet obviously improved, aquatic animals and plants
Survival rate hardly results in basic assurance.If the water plant survived is not gathered in periodically, the nitrogen absorbed is grown
The pollutants such as phosphorus again can because of plant decline and corruption and be discharged into water body again, can not fundamentally reach depollution
The effect of object.
Pollutant can be effectively controlled by importing the wastewater interception pipe that rivers and canals end in city is laid in sewage in end interception project
Into in water body to be protected.However, the efficiency for having been introduced into the pollutant natural degradation in water body is typically more faint, lead to
It crosses pollutant Natural Attenuation and proposes target purpose reaching water quality and need long time.Meanwhile after completing end interception project, according to
It is old it is difficult to ensure that area source pollutants are efficiently removed.
Ecological water supplement engineering replaces contaminated water body using good water sources, substantially belongs to the transfer of pollutant, influences
The water quality of downstream storage water body.Meanwhile if the clear water after being replaced remains unchanged in the case where no completion system pollution control cuts dirty
It is difficult to maintain preferable water quality.Revetment improvement project can be effectively improved the landscape effect of urban inner rivers and canals two sides, to pollutant
Removal and the improvement result of water quality have little effect.
Therefore, it is necessary to seek a kind of new method of the urban inner rivers and canals Comprehensive Treatment of Pollution of combined type.
Summary of the invention
The present invention for the universal poor and resident of current urban inner rivers and canals water quality to the contradiction between excellent water environment demand,
A kind of method for urban inner rivers and canals Comprehensive Treatment of Pollution is provided, this method is parsed with water quality monitoring and pollutant sources
Based on, according to the typical pollutant (being under normal conditions the highest several pollutants of times of ultra standard) of water body and corresponding pollution
The science collocation (sequencing including measure and implement intensity) of project slash is carried out in source, to guarantee between more measures
Effect be able to achieve mutual supplement with each other's advantages.The implementation of the systems approach can effectively eliminate black and odorous water, and typical pollutant is obviously cut
Subtract, aquatic ecosystem in situ is tentatively repaired, and water body partial function is restored, water quality from bad V class be promoted to V class and with
On.
To achieve the above object, a kind of method for urban inner rivers and canals Comprehensive Treatment of Pollution designed by the present invention, packet
Include following steps:
1) water quality monitoring and pollution sources origin analysis:
A. by carrying out water quality monitoring to urban inner rivers and canals, pollutant characteristic and times of ultra standard situation are grasped；
B. by being monitored analysis to bed mud in urban inner rivers and canals, the sediment pollution situation of different depth is grasped；
C. analyzing in rivers and canals leads to the major pollutants source of water degradation, and completes major pollutants origin analysis；
2) pollution control dam project:
Misconnection investigation and error correction are mixed to the rain dirt pipeline of existing pipe network, and carry out on the basis of existing pipe network perfect, is mentioned
Riser net sewage collecting efficiency, and shutting off to guarantee that pollutants discharged into rivers is cut down to the full extent in end completion sewage；
3) sponge urban renewal engineering:
Sponge urban renewal engineering is carried out, sets about completing cutting for area source pollutants from the source that rainfall forms runoff pollution
Subtract；
4) initial rainwater treating stations are set and initial rainwater is handled:
Initial rainwater remaining after source reduction is collected using initial rainwater treating stations, to the dirt in initial rainwater
Dye object control effectively, and further cuts down the amount of pollutants discharged into rivers；
5) bed mud dredging engineering:
The pollution layer of bed mud is removed, the internal contamination including the total nitrogen in bed mud, total phosphorus and heavy metal is connect
The background value of nearly this area's soil effectively removes the internal contamination including total nitrogen, total phosphorus and heavy metal with reaching
Purpose；
6) Ecological Restoration Project:
Aquatic animal is supported in planting aquatic plants and throwing in water body after tentatively improving to water quality, accelerates rivers and canals aquatic ecosystem
Building；Wherein, water quality, which tentatively improves, refers to that the black smelly feature of water body disappears substantially, and water quality basically reaches the requirement of surface water V class,
Meet the growth demand of aquatic animals and plants；
7) clear water engineering:
The tail water of good water sources or step 4) initial rainwater treating stations is introduced into rivers and canals upstream, carries out ecological water supplement；
8) shore protection training works:
Slope protection and landscape to rivers and canals two sides carry out overall planning and construction, add the gallery for resident's leisure；
Further, in step 1) (a) small step, water quality monitoring is divided into dry season water quality monitoring and rainy season water quality prison
Survey, the rainy season water quality monitoring be divided into again at the beginning of rain, in the rain with water quality monitoring after rain；
In (b) small step, bed mud monitoring analysis includes the thickness measure of bed mud and the constituent analysis of bed mud in rivers and canals.
Still further, during existing pipe network improves, rain sewage diversion system is established in water catchment area in the step 2)
System.
Still further, sponge urban renewal engineering includes Rain Garden, sunk type greenery patches, grass planting in the step 3)
Ditch, porous pavement transformation and plant pit transformation etc.；Diversified forms collocation construction need to be selected in conjunction with the actual conditions in water catchment area.
Still further, the downstream position of urban inner rivers and canals is arranged in initial rainwater treating stations in the step 4), and
Initial rainwater treating stations successively include grille well, first rain storage pond, rotational flow grit chamber plus sand high speed pellets pond, secondary filter pond
And clear water reserviors, the just rain storage pond, rotational flow grit chamber and sand high speed pellets Chi Junyu storage basin is added to connect, on the clear water reserviors
The row of being provided with river is managed and water supply pipe, is provided with elevator pump on the water supply pipe, the water supply pipe other end is connected to rivers and canals upstream
Pipeline.
Still further, (pollution of area source caused by initial rainwater has the initial rainwater treating stations processing rainwater method
It is sudden and intermittent, therefore the technique that this method handles initial rainwater is determined as materializing strategy technique), including following step
It is rapid:
First rain initially enters grille well, screens out to coarse floating material and suspended matter, and the dross of accumulation is by manually fixed
Phase removes；Enter storage pond later, has the function that stablize and avoid the peak hour；Subsequently into primary reinforcement treatment process, first rain is successive
It flows through rotation setting pot and adds sand high speed pellets pond, clear water reserviors are finally entered after secondary filter, when the tail water of clear water reserviors reaches
When to level-one B standard (the level-one B standard in " urban wastewater treatment firm pollutant emission standard " (GB18918-2002)), one
Part tail water is back to the origin or beginning of rivers and canals upstream line as ecological water supplement by elevator pump, and remainder is discharged into rivers and canals.
Still further, rivers and canals bed mud dredging engineering is based on sediment measurement as a result, only removing bed mud in the step 5)
Pollution layer retains transition zone and normal layer.
Still further, water plant selected by Ecological Restoration Project and aquatic animal are local in the step 6)
Plant and local biology, and water plant meet it is claimed below:
1. it is convenient for plantation, vitality strong and high survival rate,
2. there is the waterlogging-resistant ability of preferable drought resisting,
3. there is preferable absorption to the pollutant in water body,
4. facilitate convenient for harvesting the pollutant band water-outlet body absorbed,
5. having certain landscape effect.
Still further, shore protection training works include part rivers and canals water reoxygenation structure: among rivers and canals in the step 8)
It is aerated fountain every setting, the section setting offshore that portion flow rate easily deposits slowly is aerated pipeline section.
Beneficial effects of the present invention:
In method of the invention the selection and collocation of each project slash be based on water quality monitoring result and pollutant come
Source resolution result determines, therefore can guarantee the logic reasonability of measures to a greater extent, realizes that more measure advantages are mutual
The effect of benefit greatly improves that original water pollution control scheme engineering technology is single or the complementary difference of multiple-project technical logic
Status.Before urban inner rivers and canals pollution control engineering measure implementation, water quality monitoring and bed mud first are carried out to rivers and canals water body
Analysis proposes that targeted engineering measure, the overlapping of avoiding measures effect cause on the basis of completing pollutant sources parsing
Investment cost effective rate of utilization is low.Select materializing strategy technique that just rain treating stations are set, it can be achieved that area source pollutants are effectively cut
Subtract, rather than the dilution of pollutant or transfer.The bed mud dredging engineering of science can retain the original aquatic ecosystem of rivers and canals, can be effective
Resist the invasion of alien species.After Ecological Restoration Project can guarantee that pollution control and water quality are promoted, rivers and canals water quality reaches steadily in the long term
Mark, the building of aquatic ecosystem can enhance the ability of water body anti-shock loading, while the orientable band of regular harvesting of water plant
Walk the pollutant in water body.
In conclusion not only logic is reasonable but also scientific and effective by the present invention.The systems approach had both been able to achieve coast pollution object
It is effectively cut down, and rivers and canals water quality can be promoted, while can guarantee the permanently effective stably reaching standard of water quality.
Detailed description of the invention
Fig. 1 is the process flow chart of present system method；
Fig. 2 is first rain processing technological flow figure.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below, so as to those skilled in the art understand that.
Comprehensive improvement is carried out for Wuhan City's rivers and canals, which is located in Wuhan City's main city zone, and 1500 meters of rivers and canals overall length,
Channel mean breadth is 10 meters.This rivers and canals confluence region it is built-in set land character mainly with education and scientific research land used and residential estate as
Main (65%) includes a kind of industrial land (12%) in part, greening, massif accounting 13.4%.Population in this rivers and canals confluence region
It is more intensive, and mobility is big.Before comprehensive treatment, rivers and canals two sides slope protection is long neglected and in disrepair, more ruined, two sides hard slope surface
Height, lacks waterfront leisure space, and landscape humanity effect is poor.According to the smelly water of urban black in " city black and odorous water renovation guide "
Body classification and criterion, the rivers and canals are severe black and odorous water, and the people for seriously affecting periphery occupies life；Using as shown in Fig. 1~2
The method for urban inner rivers and canals Comprehensive Treatment of Pollution administered, comprising the following steps:
1) water quality monitoring and pollution sources origin analysis:
A. by carrying out water quality monitoring to urban inner rivers and canals, pollutant characteristic and times of ultra standard situation are grasped；Wherein, water
Quality supervision survey is divided into dry season water quality monitoring and rainy season water quality monitoring, the rain rainy season water quality monitoring is divided into again at the beginning of, in the rain with water after rain
Quality supervision is surveyed；
B. by being monitored analysis to bed mud in urban inner rivers and canals, the sediment pollution situation of different depth is grasped；Its
In, bed mud monitoring analysis includes the thickness measure of bed mud and the constituent analysis of bed mud in rivers and canals；
C. analyzing in rivers and canals leads to the major pollutants source of water degradation, and completes major pollutants origin analysis；
Learn through above-mentioned monitoring and analysis: water total nitrogen, total phosphorus and ammonia nitrogen concentration severely exceed in the rivers and canals, belong to bad V class
Water body, wherein ammonia nitrogen concentration is 14.3mg/L, alreadys exceed slight black smelly standard；The water quality monitoring of littoral sewage draining exit shows, ammonia
Nitrogen is up to 27.2mg/L, is an important factor for causing rivers and canals overproof water quality；By carrying out investigation discovery to pollution sources, mainly enter river
The sanitary sewage that students' dining hall, dormitory and residential block overflow of the pollutant from rivers and canals bank go out；Rainy season rainwash generates
Area source pollutants contribution rate it is larger；Sediment pollution is serious inside rivers and canals, equally discharges a large amount of pollutants；
2) pollution control dam project:
Misconnection investigation and error correction are mixed to the rain dirt pipeline of existing pipe network, and carry out on the basis of existing pipe network it is perfect and
It carries out establishing rain sewage diversion system in water catchment area, promotes pipe network sewage collecting efficiency, and shutting off to protect in end completion sewage
Card pollutants discharged into rivers is cut down to the full extent；
3) sponge urban renewal engineering:
Sponge urban renewal engineering is carried out, sets about completing cutting for area source pollutants from the source that rainfall forms runoff pollution
Subtract；Sponge urban renewal engineering includes Rain Garden, sunk type greenery patches, grass planting ditch, porous pavement transformation and plant pit transformation etc.；
Diversified forms collocation construction need to be selected in conjunction with the actual conditions in water catchment area；
4) initial rainwater treating stations are set and initial rainwater is handled:
Initial rainwater remaining after source reduction is collected using initial rainwater treating stations, to the dirt in initial rainwater
Dye object control effectively, and further cuts down the amount of pollutants discharged into rivers；Wherein, initial rainwater treating stations are arranged in urban inner river
The downstream position of canal, and initial rainwater treating stations successively include that grille well, first rain storage pond, rotational flow grit chamber plus sand high speed are heavy
Shallow lake pond, secondary filter pond and clear water reserviors, the just rain storage pond, rotational flow grit chamber and plus sand high speed pellets Chi Junyu storage basin company
It connects, the row of being provided with river pipe and water supply pipe on the clear water reserviors, is provided with elevator pump, the water supply pipe other end on the water supply pipe
It is connected to rivers and canals upstream line, (pollution of area source caused by initial rainwater has the initial rainwater treating stations processing rainwater method
It is sudden and intermittent, therefore the technique that this method handles initial rainwater is determined as materializing strategy technique), including following step
It is rapid:
First rain initially enters grille well, screens out to coarse floating material and suspended matter, and the dross of accumulation is by manually fixed
Phase removes；Enter storage pond later, has the function that stablize and avoid the peak hour；Subsequently into primary reinforcement treatment process, first rain is successive
It flows through rotation setting pot and adds sand high speed pellets pond, clear water reserviors are finally entered after secondary filter, when the tail water of clear water reserviors reaches
When to level-one B standard (the level-one B standard in " urban wastewater treatment firm pollutant emission standard " (GB18918-2002)), one
Part tail water is back to the origin or beginning of rivers and canals upstream line as ecological water supplement by elevator pump, and remainder is discharged into rivers and canals；
5) bed mud dredging engineering:
To the pollution layer of bed mud, (rivers and canals bed mud dredging engineering as a result, only remove the pollution layer of bed mud, is protected based on sediment measurement
Stay transition zone and normal layer) it is removed, make internal contamination including total nitrogen, total phosphorus and the heavy metal in bed mud close to the ground
The background value of area's soil, to achieve the purpose that effectively remove the internal contamination including total nitrogen, total phosphorus and heavy metal；
6) Ecological Restoration Project:
Aquatic animal is supported in planting aquatic plants and throwing in water body after tentatively improving to water quality, accelerates rivers and canals aquatic ecosystem
Building；Wherein, water plant and aquatic animal selected by Ecological Restoration Project are eciophyte and local biology, and aquatic
Plant meets claimed below:
1. it is convenient for plantation, vitality strong and high survival rate,
2. there is the waterlogging-resistant ability of preferable drought resisting,
3. there is preferable absorption to the pollutant in water body,
4. facilitate convenient for harvesting the pollutant band water-outlet body absorbed,
5. having certain landscape effect.
7) clear water engineering:
The tail water of good water sources or step 4) initial rainwater treating stations is introduced into rivers and canals upstream, carries out ecological water supplement；
8) shore protection training works:
Slope protection and landscape to rivers and canals two sides carry out overall planning and construction, add the gallery for resident's leisure；Wherein, it protects
Bank training works include part rivers and canals water reoxygenation structure: setting aeration fountain in interval in rivers and canals, what portion flow rate easily deposited slowly
Section is arranged offshore and is aerated pipeline section
According to the actual levels of pollution of the present embodiment rivers and canals, the comprehensive treatment period of present system method is about 9-12
Month, the ecological engineering substep timesharing phase in later period feeds the period as 2-3.After comprehensive improvement early period, the present embodiment rivers and canals are black smelly
Sign thoroughly disappears, and water body chroma and turbidity are decreased obviously, and transparency significantly improves.Water quality is effectively promoted, from original length
Phase bad V class water quality is promoted to V class level, and part index number even can meet IV class water quality requirement.Ecology and water environment obtain bright
Aobvious to improve, aqueous bio diversity is obviously improved, and a variety of fishes and shrimps gradually reappear, and original aquatic ecosystem obtains gradually extensive
It is multiple.Rivers and canals two sides landscape is beautified, and reads for student's morning and resident's night takes a walk, and restores the leisure of rivers and canals bank and the function played of dwelling
Energy.
Other unspecified parts are the prior art.Although above-described embodiment is made that the present invention and retouches in detail
State, but it is only a part of the embodiment of the present invention, rather than whole embodiments, people can also according to the present embodiment without
Other embodiments are obtained under the premise of creativeness, these embodiments belong to the scope of the present invention.
Claims (9)
1. a kind of method for urban inner rivers and canals Comprehensive Treatment of Pollution, it is characterised in that: the following steps are included:
1) water quality monitoring and pollution sources origin analysis:
A. by carrying out water quality monitoring to urban inner rivers and canals, pollutant characteristic and times of ultra standard situation are grasped；
B. by being monitored analysis to bed mud in urban inner rivers and canals, the sediment pollution situation of different depth is grasped；
C. analyzing in rivers and canals leads to the major pollutants source of water degradation, and completes major pollutants origin analysis；
2) pollution control dam project:
Misconnection investigation and error correction are mixed to the rain dirt pipeline of existing pipe network, and carry out perfect, riser on the basis of existing pipe network
Net sewage collecting efficiency, and shutting off to guarantee that pollutants discharged into rivers is cut down to the full extent in end completion sewage；
3) sponge urban renewal engineering:
Sponge urban renewal engineering is carried out, sets about completing the reduction of area source pollutants from the source that rainfall forms runoff pollution；
4) initial rainwater treating stations are set and initial rainwater is handled:
Initial rainwater remaining after source reduction is collected using initial rainwater treating stations, to the pollutant in initial rainwater
It control effectively, further cuts down the amount of pollutants discharged into rivers；
5) bed mud dredging engineering:
The pollution layer of bed mud is removed, the internal contamination including total nitrogen, total phosphorus and the heavy metal in bed mud is made to approach this
The background value of Soils In The Region, to achieve the purpose that effectively remove the internal contamination including total nitrogen, total phosphorus and heavy metal；
6) Ecological Restoration Project:
Aquatic animal is supported in planting aquatic plants and throwing in water body after tentatively improving to water quality, accelerates the structure of rivers and canals aquatic ecosystem
It builds；Wherein, water quality, which tentatively improves, refers to that the black smelly feature of water body disappears substantially, and water quality basically reaches the requirement of surface water V class, meets
The growth demand of aquatic animals and plants；
7) clear water engineering:
The tail water of good water sources or step 4) initial rainwater treating stations is introduced into rivers and canals upstream, carries out ecological water supplement；
8) shore protection training works:
Slope protection and landscape to rivers and canals two sides carry out overall planning and construction, add the gallery for resident's leisure.
2. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 1, it is characterised in that: the step
1) in (a) small step, water quality monitoring is divided into dry season water quality monitoring and rainy season water quality monitoring, and the rainy season water quality monitoring is divided into just again
Rain, in the rain with water quality monitoring after rain；
In (b) small step, bed mud monitoring analysis includes the thickness measure of bed mud and the constituent analysis of bed mud in rivers and canals.
3. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 1, it is characterised in that: the step
2) in, during existing pipe network improves, rain sewage diversion system is established in water catchment area.
4. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 1, it is characterised in that: the step
3) in, sponge urban renewal engineering includes Rain Garden, sunk type greenery patches, grass planting ditch, porous pavement transformation and plant pit transformation；
Diversified forms collocation construction need to be selected in conjunction with the actual conditions in water catchment area.
5. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 1, it is characterised in that: the step
4) in, the downstream position of urban inner rivers and canals is arranged in initial rainwater treating stations, and initial rainwater treating stations successively include grid
Well, first rain storage pond, rotational flow grit chamber plus sand high speed pellets pond, secondary filter pond and clear water reserviors, the just rain storage pond, rotation
Stream setting pot and plus sand high speed pellets Chi Junyu storage basin connect, on the clear water reserviors row of being provided with river manage and water supply pipe, it is described
Elevator pump is provided on water supply pipe, the water supply pipe other end is connected to rivers and canals upstream line.
6. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 5, it is characterised in that: the initial stage
Rainwater treatment station handles rainwater method, comprising the following steps:
First rain initially enters grille well, screens out to coarse floating material and suspended matter, and the dross of accumulation is by artificial periodically clear
It removes；Enter storage pond later, has the function that stablize and avoid the peak hour；Subsequently into primary reinforcement treatment process, first rain is successively flowed through
It rotates setting pot and adds sand high speed pellets pond, clear water reserviors are finally entered after secondary filter, when the tail water of clear water reserviors reaches one
When grade B standard, a part of tail water is back to the origin or beginning of rivers and canals upstream line as ecological water supplement, remainder row by elevator pump
Enter rivers and canals.
7. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 1, it is characterised in that: the step
5) in, rivers and canals bed mud dredging engineering as a result, only remove the pollution layer of bed mud, retains transition zone and normal layer based on sediment measurement.
8. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 1, it is characterised in that: the step
6) in, water plant selected by Ecological Restoration Project and aquatic animal are eciophyte and local biology, and water plant is full
Foot is claimed below:
1. it is convenient for plantation, vitality strong and high survival rate,
2. there is the waterlogging-resistant ability of preferable drought resisting,
3. there is preferable absorption to the pollutant in water body,
4. facilitate convenient for harvesting the pollutant band water-outlet body absorbed,
5. having certain landscape effect.
9. being used for the method for urban inner rivers and canals Comprehensive Treatment of Pollution according to claim 1, it is characterised in that: the step
8) in, shore protection training works include part rivers and canals water reoxygenation structure: interval setting aeration fountain, portion flow rate are easy slowly in rivers and canals
The section setting offshore of siltation is aerated pipeline section.
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Cited By (8)
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| CN110264052A (en) * | 2019-06-06 | 2019-09-20 | 郑州市污水净化有限公司 | Urban river water quality lifting system |
| CN111392869A (en) * | 2020-04-03 | 2020-07-10 | 清控环境(北京)有限公司 | System treatment method for urban black and odorous water body |
| CN111552763A (en) * | 2020-05-13 | 2020-08-18 | 水利部交通运输部国家能源局南京水利科学研究院 | Urban non-point source pollution load monitoring method |
| CN112624341A (en) * | 2019-09-24 | 2021-04-09 | 中国电建集团华东勘测设计研究院有限公司 | Construction method of ecological comprehensive treatment and restoration system for urban micro water body water |
| CN112723654A (en) * | 2020-12-08 | 2021-04-30 | 上海市园林工程有限公司 | Water quality improvement method for static landscape water system |
| CN113356321A (en) * | 2021-05-11 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Method for controlling overflow pollution of urban rainwater system of high-density built-up area |
| CN113356325A (en) * | 2021-06-24 | 2021-09-07 | 中国科学院城市环境研究所 | Comprehensive treatment method for ecological environment of landscape water area water |
| CN116432948A (en) * | 2023-03-16 | 2023-07-14 | 中节能国祯环保科技股份有限公司 | Urban rain source type river system step-by-step treatment method |
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| CN110264052A (en) * | 2019-06-06 | 2019-09-20 | 郑州市污水净化有限公司 | Urban river water quality lifting system |
| CN110264052B (en) * | 2019-06-06 | 2023-05-30 | 郑州市污水净化有限公司 | Urban river water quality improving system |
| CN112624341A (en) * | 2019-09-24 | 2021-04-09 | 中国电建集团华东勘测设计研究院有限公司 | Construction method of ecological comprehensive treatment and restoration system for urban micro water body water |
| CN111392869A (en) * | 2020-04-03 | 2020-07-10 | 清控环境(北京)有限公司 | System treatment method for urban black and odorous water body |
| CN111552763A (en) * | 2020-05-13 | 2020-08-18 | 水利部交通运输部国家能源局南京水利科学研究院 | Urban non-point source pollution load monitoring method |
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| CN113356321A (en) * | 2021-05-11 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Method for controlling overflow pollution of urban rainwater system of high-density built-up area |
| CN113356325A (en) * | 2021-06-24 | 2021-09-07 | 中国科学院城市环境研究所 | Comprehensive treatment method for ecological environment of landscape water area water |
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